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Part Number: AK4180
Description: The AK4180 is a 4-wire touch screen controller that incorporates a 12-bit 125kHz sampling SAR A/D conv...
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AK4180
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DataSheet
General Description
AK4180 General Description
The AK4180 is a 4-wire touch screen controller that incorporates a 12-bit 125kHz sampling SAR A/D converter. The AK4180 can detect the pressed screen location by performing two A/D conversions. In addition to location, the AK4180 also measures touchscreen pressure.
On-chip VREF can be utilized for two analog auxiliary inputs and battery monitoring, with the ability to measure voltages from 0V to 5V.
The AK4180 also has an on-chip temperature sensor.
AK4180 Maximum Ratings
|
Parameter |
Symbol | Min | max | Units |
| Power Supplies | VCC | -0.3 | 6.0 | V |
| Input Current (any pins except for supplies | IIN | - | ±10 | mA |
| Input Voltage | VIN | -0.3 | 6.0(VCC+0.3) | V |
| Touch Panel Drive Current | IOUTDRV | 50 | mA | |
| Ambient Temperature (power supplied) | Ta | -20 | 70 | |
| Storage Temperature | Tstg | -65 | 150 |
AK4180 Features
`Sampling Frequency: 125kHz(max)
`Pen Pressure Measurement
`On-Chip Thermo Sensor
`Two Auxiliary Analog Inputs
`Direct Battery Measurement
`4-wire I/F
`On-Chip Voltage Reference(2.5V)
`12 bit SAR type A/D Converter
`Low Power Consumption (250A)
`Low Voltage Operation (2.7V - 3.6V)
`Package 16pin TSSOP
`Pen Pressure Measurement
`On-Chip Thermo Sensor
`Two Auxiliary Analog Inputs
`Direct Battery Measurement
`4-wire I/F
`On-Chip Voltage Reference(2.5V)
`12 bit SAR type A/D Converter
`Low Power Consumption (250A)
`Low Voltage Operation (2.7V - 3.6V)
`Package 16pin TSSOP
AK4180 Connection Diagram
AK402D4-11
PDF/DataSheet Download
- Datasheet: AK402D4-11
- File Size: 201225 KB
- Manufacturer: ALPHA [Alpha Industries]
- Click here to Download
- ·AK402D4-24
- Analog Attenuator
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- ·AK402D4-31
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- ·AK40A-024L-015F04SM
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- ·AK40A-048L-015F04SM
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- 1.5V, 1.8V, 3.3V, 5V Single Output 48V Input, 100W DC-DC Converter
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- ·AK40A-048L-018F04SM
- ASTEC
- 36 Vdc to 75 Vdc Inputs, 100 W
- 128066 KB
- ·AK40A-048L-021F04SM
- ASTEC
- 120 Watts
- 128066 KB
- ·AK40A-048L-025F04SM
- ASTEC
- 36 Vdc to 75 Vdc Inputs, 100 W
- 128066 KB
- ·AK40D600-TSSOP.4
- ACCUTEK MICROCIRCUIT CORPORATION
- 36 Pin to 44 Pin DIP Adapters
- 251435 KB
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